Marmaduke Percy Conway, FRCO, ARCM (1885–1961), was an English organist and writer.
Conway was educated at Bedford School and the Royal College of Music, obtaining a B.Mus in Oxford and a Mus.D in Dublin.
He later became Organist of All Saints', Eastbourne in 1908, and St. Andrew's, Wells Street, London, in 1917.
Four years as Assistant Organist of Wells Cathedral led him to Chichester.
He was an accomplished author of books and articles on organ technique.